Names of 42121
| Nominal | 42121 |
| Cardinal | forty-two thousand one hundred twenty-one |
| Ordinal | 42,121st |
| This number as US currency | forty-two thousand one hundred twenty-one dollars |
| Is 42121 an odd number? | 42121 is an odd number |
| Is 42121 an even number? | 42121 is NOT an even number |
| Is 42121 a palindrome? | 42121 is NOT a palindrome number |
| Is 42121 a triangle number? | 42121 is NOT a triangle number |
42121 in other Bases
| Base 2 (Binary) | 10100100100010012 |
| Base 3 (Ternary) | 20102100013 |
| Base 4 (Quaternary) | 221020214 |
| Base 5 (Quinary) | 23214415 |
| Base 6 (Senary) | 5230016 |
| Base 8 (Octal) | 1222118 |
| Base 12 (Duodecimal) | 2046112 |
| Base 16 (Hexadecimal) | A48916 |
| Base 20 (Vigesimal) | 556120 |
Primes and Factors tests for 42121
| Is 42121 a Prime Number? | 42121 is NOT a prime |
| Is 42121 a perfect number? | 42121 is NOT a perfect number |
| Is 42121 a Mersenne Prime? | 42121 is NOT a Mersenne prime |
| Is 42121 a Fermat Prime? | 42121 is NOT a Fermat prime |
| Is 42121 a Fibonacci Prime? | 42121 is NOT a Fibonacci prime |
| Is 42121 a Partition Prime? | 42121 is NOT a Partition prime |
| Is 42121 a Pell Prime? | 42121 is NOT a Pell prime |
| Prime Factors | Prime factors of 42121 |
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42121 in other Numerals
| 42121 in Roman Numeral | XLMMCXXI |
| 42121 in Chinese Numeral | 肆萬貳仟壹佰貳拾壹 |
| 42121 in Egyptian Numeral | 𓂰𓆽𓍢𓎇𓏺 |
| 42121 in Babylonian Numeral |    |
Roots and stuff for 42121
| Is 42121 a square number? | 42121 is NOT a square number |
| Is 42121 a cube number? | 42121 is NOT a cube number |
| Square root of the number 42121 | 205.23401277566 |
| Cube root of the number 42121 | 34.793615334617 |
Recreational math for 42121
| Number 42121 reversed | 12124 |
| Sum of the digits | 10 |
| No of digits | 5 |